function getForm(dastr) {
    const dt = new Date(dastr)
    const y = padZero(dt.getFullYear())
    const m = padZero(dt.getMonth()+1)
    const d = padZero(dt.getDate())

    const hh = padZero(dt.getHours())
    const mm = padZero(dt.getMinutes())
    const ss = padZero(dt.getSeconds())

    return `${y}-${m}-${d}-${hh}:${mm}:${ss}`
}

function padZero(n) {
    return n > 9 ? n : '0' + n
}
// 向外暴露getForm时间格式化对象
module.exports = {
    getForm
}